HomeFish encyclopediaRay-finned fishesPerch-like fishDottybacksBugeye dottyback Bugeye dottyback (Amsichthys knighti) Scientific name: Amsichthys knighti Allen, 1987 The Bugeye dottyback (Amsichthys knighti) is a marine fish of the family Pseudochromidae. Native range: Western Pacific, Philippines to northern Australia (including Western Australia) and Papua New Guinea. BiologyFound in coastal reef slopes amongst algae boulder habitat to about 20 m depth; also inhabits inshore reefs.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAmsichthys knightiFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.5Depth range20 m (66 ft)EnvironmentMarine; reef-associated; depth range ? - 20 mClimateTropicalDistributionWestern Pacific: Philippines to northern Australia (including Western Australia) and Papua New Guinea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026